It was discovered that Exim incorrectly handled certain inputs. An remote attacker could possibly use this issue to access sensitive information or authentication bypass.
{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "4.82-3ubuntu2.4+esm2",
            "binary_name": "exim4"
        },
        {
            "binary_version": "4.82-3ubuntu2.4+esm2",
            "binary_name": "exim4-base"
        },
        {
            "binary_version": "4.82-3ubuntu2.4+esm2",
            "binary_name": "exim4-config"
        },
        {
            "binary_version": "4.82-3ubuntu2.4+esm2",
            "binary_name": "exim4-daemon-heavy"
        },
        {
            "binary_version": "4.82-3ubuntu2.4+esm2",
            "binary_name": "exim4-daemon-light"
        },
        {
            "binary_version": "4.82-3ubuntu2.4+esm2",
            "binary_name": "exim4-dev"
        },
        {
            "binary_version": "4.82-3ubuntu2.4+esm2",
            "binary_name": "eximon4"
        }
    ]
}
          {
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.86.2-2ubuntu2.6",
            "binary_name": "exim4"
        },
        {
            "binary_version": "4.86.2-2ubuntu2.6",
            "binary_name": "exim4-base"
        },
        {
            "binary_version": "4.86.2-2ubuntu2.6",
            "binary_name": "exim4-config"
        },
        {
            "binary_version": "4.86.2-2ubuntu2.6",
            "binary_name": "exim4-daemon-heavy"
        },
        {
            "binary_version": "4.86.2-2ubuntu2.6",
            "binary_name": "exim4-daemon-light"
        },
        {
            "binary_version": "4.86.2-2ubuntu2.6",
            "binary_name": "exim4-dev"
        },
        {
            "binary_version": "4.86.2-2ubuntu2.6",
            "binary_name": "eximon4"
        }
    ]
}
          {
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.90.1-1ubuntu1.5",
            "binary_name": "exim4"
        },
        {
            "binary_version": "4.90.1-1ubuntu1.5",
            "binary_name": "exim4-base"
        },
        {
            "binary_version": "4.90.1-1ubuntu1.5",
            "binary_name": "exim4-config"
        },
        {
            "binary_version": "4.90.1-1ubuntu1.5",
            "binary_name": "exim4-daemon-heavy"
        },
        {
            "binary_version": "4.90.1-1ubuntu1.5",
            "binary_name": "exim4-daemon-light"
        },
        {
            "binary_version": "4.90.1-1ubuntu1.5",
            "binary_name": "exim4-dev"
        },
        {
            "binary_version": "4.90.1-1ubuntu1.5",
            "binary_name": "eximon4"
        }
    ]
}
          {
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.93-13ubuntu1.1",
            "binary_name": "exim4"
        },
        {
            "binary_version": "4.93-13ubuntu1.1",
            "binary_name": "exim4-base"
        },
        {
            "binary_version": "4.93-13ubuntu1.1",
            "binary_name": "exim4-config"
        },
        {
            "binary_version": "4.93-13ubuntu1.1",
            "binary_name": "exim4-daemon-heavy"
        },
        {
            "binary_version": "4.93-13ubuntu1.1",
            "binary_name": "exim4-daemon-light"
        },
        {
            "binary_version": "4.93-13ubuntu1.1",
            "binary_name": "exim4-dev"
        },
        {
            "binary_version": "4.93-13ubuntu1.1",
            "binary_name": "eximon4"
        }
    ]
}